Answer: "Janet Bouvier was an accomplished rider, and Jackie was only a year old when her mother first put her on a horse."
Explanation:
By the age of 11, Janet Bouvier had already won several national championships in riding.
This proves that riding was a very big interest of hers for such a feat to be accomplished.
Her parents, being her mom in particular, helped shape her interest in Riding when she put her on a house at the tender age of 1.
This early experience grew in her to become a big interest in riding.
